obsolete_Appendix Neuroendocrine Tumor G1 true vermiform appendix neuroendocrine neoplasm G1 grade 1 neuroendocrine neoplasm of vermiform appendix A well differentiated, low grade tumor with neuroendocrine differentiation that arises from the appendix. The mitotic count is less than 2 per 10 HPF and/or the Ki67 index is equal to or less than 2 percent. SCTID:253002004 vermiform appendix carcinoid tumor appendix neuroendocrine tumor G1 (carcinoid) appendix carcinoid endocrine tumour ICDO:8240/1 NCIT:C4138 COHD:437238 appendix NET G1 (carcinoid) appendix NET G1 appendix neuroendocrine tumor G1 vermiform appendix carcinoid tumor (disease) vermiform appendix neuroendocrine tumor, well differentiated, low grade appendiceal carcinoid tumor ICD9:209.11 3.88.0 Replaced by Mondo term MONDO_0006091, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0006091 carcinoid tumor of appendix http://purl.obolibrary.org/obo/MONDO_0006091 UMLS:C0334298 EFO:1000092 carcinoid tumor of the appendix vermiform appendix NET G1 DOID:0050911 appendix carcinoid tumor